BIBLIOGRAFIA

• https://books.google.com.co/books?id=vNDhBAAAQBAJ&printsec=frontcover&dq=que+es+la+topografia&hl=es&sa=X&ved=0ahUKEwjjp4ani4LhAhXN11kKHaWCCmoQ6AEIKTAA#v=onepage&q&f=false}

• http://www.topoequipos.com/dem/qu-es/terminologa/que-es-topografa

• https://books.google.com.co/books?id=3K5JDwAAQBAJ&printsec=frontcover&dq=topografia&hl=es&sa=X&ved=0ahUKEwiV84SD9oHhAhVL1lkKHVzVAOEQ6AEIKTAA#v=onepage&q&f=false

• http://www.hevitop.com/ventajas-de-un-estudio-de-topografia/